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Discontinued Monoblock Amplifiers

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Cerwin-Vega STEALTH1200.1

1200W RMS Monoblock Full Range STEALTH Series Class D Car Amplifier

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1200W RMS Monoblock Full Range STEALTH Series Class D Car Amplifier

• RMS: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Class D Stealth Design
• Dimensions: 7"W x 13-2/3"D x 1-8/10"H

• RMS: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Class D Stealth Design
• Dimensions: 7"W x 13-2/3"D x 1-8/10"H

Power Acoustik STAX 4000/1D (STAX4000/1D)

4000W Max, Class D Monoblock STAX Series Amplifier

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4000W Max, Class D Monoblock STAX Series Amplifier

STAX Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1700 Watts x 1 Chan. @ 2 Ohm • 4000 Watts Max • 3-Way System Protection Circuitry • MOSFET Power Supply • Preamp RCA Outputs •

STAX Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1700 Watts x 1 Chan. @ 2 Ohm • 4000 Watts Max • 3-Way System Protection Circuitry • MOSFET Power Supply • Preamp RCA Outputs •

MA Audio HK1000D

Digital Class D Monoblock Amplifier

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Digital Class D Monoblock Amplifier

1000W Class-X Monoblock Amplifier • 1000W RMS x 1 @ 1 Ohm • Stainless Steel Finsh Heatsink • Strappable with another HK-1000D • 1 Ohm Stable • Remote Gain Control Included • RCA Outputs

1000W Class-X Monoblock Amplifier • 1000W RMS x 1 @ 1 Ohm • Stainless Steel Finsh Heatsink • Strappable with another HK-1000D • 1 Ohm Stable • Remote Gain Control Included • RCA Outputs

MTX Audio RT1000D

1000W RMS, Monoblock Class D Road Thunder Amplifier

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1000W RMS, Monoblock Class D Road Thunder Amplifier

• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB at 40 Hz
• Class D Circuitry
• Dimensions: 17-1/4"L x 7-1/16"W x 2-1/8"H

• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB at 40 Hz
• Class D Circuitry
• Dimensions: 17-1/4"L x 7-1/16"W x 2-1/8"H

Hifonics TX1505D

Class D MonoBlock Amplifier

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Class D MonoBlock Amplifier

Class-D Monoblock Amplifier • 1500W RMS x 1 @ 1 • 1000W RMS x 1 @ 2 • Bass Remote Included • 21st Anniversary Heat-Sink Design • Silver RCA Connectors • 1 Pair RCA Outputs • Fully Adjustable Accu-Cross Crossover

Class-D Monoblock Amplifier • 1500W RMS x 1 @ 1 • 1000W RMS x 1 @ 2 • Bass Remote Included • 21st Anniversary Heat-Sink Design • Silver RCA Connectors • 1 Pair RCA Outputs • Fully Adjustable Accu-Cross Crossover

Audiopipe AQX-2000.1

2000W Monoblock Class D Elite Subwoofer Amplifier

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2000W Monoblock Class D Elite Subwoofer Amplifier

• 742 Watts RMS x 1 @ 4 ohm
• 1300 Watts RMS x 1 @ 2 ohm
• 1892 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• 1 Ohm Stable
• Wired remote bass level control included
• Parametric Bass Boost

• 742 Watts RMS x 1 @ 4 ohm
• 1300 Watts RMS x 1 @ 2 ohm
• 1892 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• 1 Ohm Stable
• Wired remote bass level control included
• Parametric Bass Boost

Sound Storm Labs (SSL) FR6000.1

6000W Max (3000W RMS) Force Series Class A/B Monoblock Amplifier

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6000W Max (3000W RMS) Force Series Class A/B Monoblock Amplifier

• 2250 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 6000 Watts
• Subsonic Filter: 15 Hz - 40 Hz
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.68"W x 10.625"L x 2.375"H

• 2250 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 6000 Watts
• Subsonic Filter: 15 Hz - 40 Hz
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.68"W x 10.625"L x 2.375"H

Hifonics COLOSSUS-PRO 5K (Factory Refurbished)

Mount Olympus 2500W RMS Dual Monoblock (2-Channel) Class AB Amplifier

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Mount Olympus 2500W RMS Dual Monoblock (2-Channel) Class AB Amplifier

• RMS Power: 1200W x 1 @ 4 ohm, 1900W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Dimensions: 8.97" W x 38.64" L x 2.76" H

• RMS Power: 1200W x 1 @ 4 ohm, 1900W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Dimensions: 8.97" W x 38.64" L x 2.76" H

Soundstream DTR1.3400D

3400W RMS, D-Tower Series Class D Monoblock Power Amplifier

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3400W RMS, D-Tower Series Class D Monoblock Power Amplifier

D-Tower Series Monoblock Class D Car Amplifier • 3400W x 1 Chan. @ 0.5 Ohm • 2200W x 1 Chan. @ 1 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Gloss Black Finish • 3-Way System Protection Circuitry

D-Tower Series Monoblock Class D Car Amplifier • 3400W x 1 Chan. @ 0.5 Ohm • 2200W x 1 Chan. @ 1 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Gloss Black Finish • 3-Way System Protection Circuitry

Soundstream RUB1.400

400W RMS, Rubicon Series Monoblock Amplifier

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400W RMS, Rubicon Series Monoblock Amplifier

Rubicon Series Monoblock Car Amplifier • 250 watts x 1 chan @ 4 Ohm • 400 watts x 1 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Rubicon Series Monoblock Car Amplifier • 250 watts x 1 chan @ 4 Ohm • 400 watts x 1 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Autotek SMA1600.1

1600W Monoblock Street Machine Series Class D Amplifier

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1600W Monoblock Street Machine Series Class D Amplifier

• RMS: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

• RMS: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Boss CXXM2200

1100W RMS Class AB Single Channel Monoblock Chaos Exxtreme Series Amplifier

6-Year Manufacturer's Extended Warranty When Bought Here!

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1100W RMS Class AB Single Channel Monoblock Chaos Exxtreme Series Amplifier

• RMS: 900W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm
• Total Peak Power: 2200W
• Wired Bass Remote Included
• Bass Boost 0-12 dB at 50 Hz
• Speaker Level Inputs
• Dimensions: 11"W x 16-15/16"L x 2-7/8"H

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6-Year Manufacturer's Extended Warranty When Bought Here!

• RMS: 900W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm
• Total Peak Power: 2200W
• Wired Bass Remote Included
• Bass Boost 0-12 dB at 50 Hz
• Speaker Level Inputs
• Dimensions: 11"W x 16-15/16"L x 2-7/8"H

SKAR Audio LP-550.1D

550W RMS LP Series Class D Monoblock Single Channel Car Amplifier

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550W RMS LP Series Class D Monoblock Single Channel Car Amplifier

• Peak: 350W x 1 @ 4 ohm, 420W x 1 @ 2 ohm, 550W x 1 @ 1 ohm
• Total RMS Power: 550W
• Wired Bass Remote Included
• Variable Bass Boost: 0 to +15 dB
• Class D Circuitry
• Dimensions: 5-1/2"W x 12"D x 2"H

• Peak: 350W x 1 @ 4 ohm, 420W x 1 @ 2 ohm, 550W x 1 @ 1 ohm
• Total RMS Power: 550W
• Wired Bass Remote Included
• Variable Bass Boost: 0 to +15 dB
• Class D Circuitry
• Dimensions: 5-1/2"W x 12"D x 2"H

Audiobahn A1801T

1120W Max, Class A/B Monoblock Amplifier

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1120W Max, Class A/B Monoblock Amplifier

Monoblock Class A/B Amplifier with Cobalt Blue Illumination and chrome finish • 1120W Max Power Output • 560W RMS @ 2 ohm • 400W RMS @ 4 ohm • Digital LCD Voltmeter Display • Cooling Fan • Preamp Outputs

Monoblock Class A/B Amplifier with Cobalt Blue Illumination and chrome finish • 1120W Max Power Output • 560W RMS @ 2 ohm • 400W RMS @ 4 ohm • Digital LCD Voltmeter Display • Cooling Fan • Preamp Outputs

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500 watts RMS x 1 at 4 ohm • 900 watts RMS x 1 at 2 ohm (wire subs in parallel for a 2-ohm load) • Class D design • speaker and preamp level inputs • preamp outputs • variable bass boost (0 - 10 dB @ 40 Hz) • remote bass control with 19-3/4' cable

500 watts RMS x 1 at 4 ohm • 900 watts RMS x 1 at 2 ohm (wire subs in parallel for a 2-ohm load) • Class D design • speaker and preamp level inputs • preamp outputs • variable bass boost (0 - 10 dB @ 40 Hz) • remote bass control with 19-3/4' cable

MB Quart ZA1-1500.1

1500W Monoblock Z-Line Series Class SQ A/B Amplifier

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1500W Monoblock Z-Line Series Class SQ A/B Amplifier

• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 15 - 250 Hz

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• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 15 - 250 Hz

Pioneer Premier PRS-D1200M

1200W Max, Class D Monoblock Premier PRS Series Amplifier

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1200W Max, Class D Monoblock Premier PRS Series Amplifier

Premier PRS Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • 1200W x 1 chan. Max • MASS (Multi Amplifier Synchronization System) • Gold-plated connectors

Premier PRS Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • 1200W x 1 chan. Max • MASS (Multi Amplifier Synchronization System) • Gold-plated connectors

Cadence XAH400.1 (Orange)

850W, Xenith Series Class A/B Monoblock Amplifier with Orange Chassis

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850W, Xenith Series Class A/B Monoblock Amplifier with Orange Chassis

Xenith Series Monoblock Class A/B Car Amplifier with Orange Chassis • 300W RMS x 1 Chan. @ 4 ohm • 4250W RMS x 1 Chan. @ 2 ohm • Preamp RCA Outputs • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable Low-Pass Crossovers • Selectable Bass Boost

Xenith Series Monoblock Class A/B Car Amplifier with Orange Chassis • 300W RMS x 1 Chan. @ 4 ohm • 4250W RMS x 1 Chan. @ 2 ohm • Preamp RCA Outputs • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable Low-Pass Crossovers • Selectable Bass Boost

Hifonics BRX2016.1D Open Box Complete (Very Good, Used)

2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

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2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

• Item Condition: Open Box
• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

• Item Condition: Open Box
• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

Audiobahn A8001DT

1600W Max, Class D MonoBlock Amplifier

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1600W Max, Class D MonoBlock Amplifier

1600W Max, Class D Monoblock Amplifier with bass remote • 1600W Max • 800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

1600W Max, Class D Monoblock Amplifier with bass remote • 1600W Max • 800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

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    FAQ Frequently asked questions in Discontinued Monoblock Amplifiers


    A monoblock amplifier is a single-channel amplifier designed to power a single speaker or subwoofer. Unlike multi-channel amplifiers that can power multiple speakers simultaneously, a monoblock amplifier is dedicated to driving a specific speaker, typically a subwoofer. The advantage of a monoblock amplifier lies in its specialized design, which allows it to deliver higher power output to the subwoofer without interference from other speakers. This dedicated power delivery results in enhanced bass response and cleaner, more impactful low-frequency reproduction, making monoblock amplifiers a popular choice for car audio enthusiasts seeking powerful bass performance.
    Monoblock amplifiers are specifically designed to power subwoofers and are not intended for use with other speakers in your audio system. They usually have a single output channel optimized for low-frequency signals, making them unsuitable for driving mid-range or high-frequency speakers. For other speakers like door speakers or tweeters, you should use multi-channel amplifiers or dedicated channels on an audio processor. Using a monoblock amplifier for full-range speakers can result in poor audio performance and potential damage to the speakers.
    Monoblock amplifiers are compatible with most subwoofers, but it's crucial to consider the amplifier's power output and the subwoofer's power handling capabilities. The amplifier's power rating should match or slightly exceed the subwoofer's RMS power handling to ensure optimal performance and prevent overloading the subwoofer. Additionally, check the impedance (ohms) of both the amplifier and the subwoofer to ensure they match. Most monoblock amplifiers can handle both 2-ohm and 4-ohm loads, but some can also operate at 1-ohm, providing flexibility in subwoofer wiring configurations.
    No, monoblock amplifiers are not designed for bridging, as they are already single-channel amplifiers dedicated to powering a single subwoofer. Attempting to bridge a monoblock amplifier can cause damage to the amplifier and subwoofers. If you need to power multiple subwoofers, consider using multi-channel amplifiers or multiple monoblock amplifiers, each dedicated to driving a separate subwoofer. Sonic Electronix offers a wide selection of multi-channel amplifiers that can power multiple subwoofers simultaneously, ensuring optimal performance and protection for your audio system.
    Monoblock amplifiers can generate a significant amount of heat, especially when driving powerful subwoofers at high volume levels. While they don't require special cooling or ventilation compared to other amplifier types, it's essential to provide adequate airflow around the amplifier to dissipate heat effectively. Avoid mounting the amplifier in enclosed spaces or areas with limited ventilation, as this can lead to overheating and reduced performance. In some cases, installing a cooling fan or using amplifier cooling solutions can help maintain optimal operating temperatures. If you have concerns about amplifier heat, Sonic Electronix's knowledgeable staff can recommend suitable cooling solutions for your specific setup. Monoblock amplifiers are an excellent choice for enhancing the bass performance in your car audio system, providing dedicated power delivery to your subwoofers for impactful and detailed low-frequency sound reproduction. When used correctly and matched with the right subwoofers, monoblock amplifiers can elevate your car audio experience to new depths of bass excellence.
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